Add 28/54 and 20/30
28/54 + 20/30 is 32/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
20/30 = 20 × 9/30 × 9 = 180/270 - Add the two like fractions:
140/270 + 180/270 = 140 + 180/270 = 320/270 - 320/270 simplified gives 32/27
- So, 28/54 + 20/30 = 32/27
In mixed form: 15/27
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